Finding the Fourth Proportional to 87,576.96, 131,254.68 and 55,974.84
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Solution
The fourth proportional to 87,576.96, 131,254.68 and 55,974.84 is: 83,891.47
Step by Step Solution
- Step 1: Write the proportion equation
87,576.96 : 131,254.68 = 55,974.84 : x - Step 2: Convert to fraction form
87,576.96/131,254.68 = 55,974.84/x - Step 3: Cross multiply
87,576.96x = 131,254.68 × 55,974.84 - Step 4: Simplify right side
87,576.96x = 7,346,959,712.25 - Step 5: Solve for x
x = 7,346,959,712.25/87,576.96 - Step 6: Final answer
x = 83,891.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.